Here are some helpful websites that provide free resources for your study of the New Testament:
biblegateway.com : This website provides free access to multiple translations of the Bible, and allows you to compare them. It also contains several free commentaries, including the IVP New Testament commentary which is excellent. To access the IVP and other commentaries directly use the link: https://www.biblegateway.com/resources/commentaries/
blueletterbible.org : This website allows you to search verses, and then see their word for word translations in Greek or Hebrew. It also provides definitions and other information about the original languages
https://bible.org/ : This website is the home of the NET (New English Translation) of the Bible. It contains many helpful translation and contextual notes, which allow the reader to understand the passage better. The page also contains introductions and expositions of many of the books of the Bible.